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<head>
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    <title>Document</title>
</head>
<body>
    <div id="root"></div>
    <script src="../vue3基础源码/vue3.js"></script>
    <script>
        const app = Vue.createApp({
            template:`<div>{{name}}</div>`,
            setup(props,context){
                const {ref} = Vue;
                let name = ref('zhang');
                setTimeout(()=>{
                    name.value = 'dong';
                },2000)


                return {name}
            }
        });



        app.mount("#root");
    </script>
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